Effects of the geometry of recycled PET fiber reinforcement on shrinkage cracking of cement-based composites

Jang Ho Jay Kim; Chan Gi Park; Si Won Lee; Sang Woo Lee; Jong Pil Won

doi:10.1016/j.compositesb.2007.05.001

Effects of the geometry of recycled PET fiber reinforcement on shrinkage cracking of cement-based composites

Jang Ho Jay Kim, Chan Gi Park, Si Won Lee, Sang Woo Lee, Jong Pil Won

Department of Civil and Environmental Engineering

Research output: Contribution to journal › Article › peer-review

111 Citations (Scopus)

Abstract

In this study, the reinforcing fibers were constructed with three different geometries, i.e., embossed, straight, and crimped, from waste polyethylene terephthalate (PET) bottles and used them to control plastic shrinkage cracking in cement-based composites. Pullout tests evaluated how the fiber geometry and fraction by volume (0.1-1.00%) affected the rate of moisture loss and controlled the plastic shrinkage cracking characteristics. The fiber geometry and fraction by volume did not affect the total moisture loss or moisture loss per hour; the moisture loss per hour exceeded 0.5 kg/m²/h in 5 h after casting, causing plastic shrinkage cracking. However, increased fractions of recycled PET fiber resulted in improved control of the plastic shrinkage cracking. At a fraction of 0.25%, the plastic shrinkage was reduced, but no further improvements were observed when the fraction of fiber was increased to 0.5%. Fiber geometry also affected the control of plastic shrinkage cracking up to a fiber fraction of 0.25%.

Original language	English
Pages (from-to)	442-450
Number of pages	9
Journal	Composites Part B: Engineering
Volume	39
Issue number	3
DOIs	https://doi.org/10.1016/j.compositesb.2007.05.001
Publication status	Published - 2008 Apr

Bibliographical note

Funding Information:
The authors would like to acknowledge Korea Science and Engineering Foundation (KOSEF) for a partial financial support from Basic Research Support Program titled “Development of Shrinkage Crack Controling Fiber Reinforced Concrete Produced Using Fibers Made From Recycled PET Bottles.” (Grant No.: R01-2005-000-10794-02(2005)).

All Science Journal Classification (ASJC) codes

Ceramics and Composites
Mechanics of Materials
Mechanical Engineering
Industrial and Manufacturing Engineering

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10.1016/j.compositesb.2007.05.001

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title = "Effects of the geometry of recycled PET fiber reinforcement on shrinkage cracking of cement-based composites",

abstract = "In this study, the reinforcing fibers were constructed with three different geometries, i.e., embossed, straight, and crimped, from waste polyethylene terephthalate (PET) bottles and used them to control plastic shrinkage cracking in cement-based composites. Pullout tests evaluated how the fiber geometry and fraction by volume (0.1-1.00%) affected the rate of moisture loss and controlled the plastic shrinkage cracking characteristics. The fiber geometry and fraction by volume did not affect the total moisture loss or moisture loss per hour; the moisture loss per hour exceeded 0.5 kg/m2/h in 5 h after casting, causing plastic shrinkage cracking. However, increased fractions of recycled PET fiber resulted in improved control of the plastic shrinkage cracking. At a fraction of 0.25%, the plastic shrinkage was reduced, but no further improvements were observed when the fraction of fiber was increased to 0.5%. Fiber geometry also affected the control of plastic shrinkage cracking up to a fiber fraction of 0.25%.",

author = "Kim, {Jang Ho Jay} and Park, {Chan Gi} and Lee, {Si Won} and Lee, {Sang Woo} and Won, {Jong Pil}",

note = "Funding Information: The authors would like to acknowledge Korea Science and Engineering Foundation (KOSEF) for a partial financial support from Basic Research Support Program titled “Development of Shrinkage Crack Controling Fiber Reinforced Concrete Produced Using Fibers Made From Recycled PET Bottles.” (Grant No.: R01-2005-000-10794-02(2005)).",

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AU - Lee, Sang Woo

AU - Won, Jong Pil

N1 - Funding Information: The authors would like to acknowledge Korea Science and Engineering Foundation (KOSEF) for a partial financial support from Basic Research Support Program titled “Development of Shrinkage Crack Controling Fiber Reinforced Concrete Produced Using Fibers Made From Recycled PET Bottles.” (Grant No.: R01-2005-000-10794-02(2005)).

PY - 2008/4

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N2 - In this study, the reinforcing fibers were constructed with three different geometries, i.e., embossed, straight, and crimped, from waste polyethylene terephthalate (PET) bottles and used them to control plastic shrinkage cracking in cement-based composites. Pullout tests evaluated how the fiber geometry and fraction by volume (0.1-1.00%) affected the rate of moisture loss and controlled the plastic shrinkage cracking characteristics. The fiber geometry and fraction by volume did not affect the total moisture loss or moisture loss per hour; the moisture loss per hour exceeded 0.5 kg/m2/h in 5 h after casting, causing plastic shrinkage cracking. However, increased fractions of recycled PET fiber resulted in improved control of the plastic shrinkage cracking. At a fraction of 0.25%, the plastic shrinkage was reduced, but no further improvements were observed when the fraction of fiber was increased to 0.5%. Fiber geometry also affected the control of plastic shrinkage cracking up to a fiber fraction of 0.25%.

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Effects of the geometry of recycled PET fiber reinforcement on shrinkage cracking of cement-based composites

Abstract

Bibliographical note

All Science Journal Classification (ASJC) codes

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